Neurovascular stent

An intravascular stent wherein at least a portion of the stent is formed of a refractory alloy. At least 95 wt.% of the refractory alloy is formed of two refractory metals. The refractory alloy is a non-shape memory alloy and a non-self-expanding alloy. The stent has a wall thickness, strut thicknes...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Lisi, Steven, Belczynski, Carl
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	An intravascular stent wherein at least a portion of the stent is formed of a refractory alloy. At least 95 wt.% of the refractory alloy is formed of two refractory metals. The refractory alloy is a non-shape memory alloy and a non-self-expanding alloy. The stent has a wall thickness, strut thickness and strut configuration to enable it to be expanded from an unexpanded configuration to a fully expanded configuration by expansion pressure of less than about 6 atm. by an inflatable device inflating against an inside surface of said metal tube body. The stent has sufficient radial strength in the fully expanded position to resist deformation when exposed to an external radial pressure of over 1 atm.